Question

x-3/x(5x-3y) + y-5/y(3y+5x)

Answer 1

x^2 - 3(5x - 3y) + y^2 - 5(3y + 5x) = x^2 - 15x - 9y + y^2 - 15y - 25x = x^2 - 35x - 24y + y^2